Personalized PHQ-9 test length using probability density estimation based on conditional probability and K-Nearest Neighbours

The Patient Health Questionnaire-9 (PHQ-9) is a tool consisting of nine items designed to assess the severity of depression in individuals. Shorter versions have been developed such as the PHQ-DEP-4, which includes four items, and the PHQ-2, which consists of just two. These fixed-length formats hav...

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Autors principals:	Zahraa Abdulhussein, Marcia Scazufca, Pepijn van de Ven
Format:	Artigo
Idioma:	Inglês
Publicat:	Elsevier 2026-03-01
Col·lecció:	Internet Interventions
Matèries:	Depression PHQ-9 PHQ-DEP-4 PHQ-2 Dynamic tests Adaptive tests
Accés en línia:	http://www.sciencedirect.com/science/article/pii/S2214782926000187
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